Use After Free Affecting kernel-uek-devel package, versions <0:5.4.17-2036.103.3.el8uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.07% (34th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELUEKDEVEL-2598093
  • published10 Apr 2022
  • disclosed9 Dec 2020

Introduced: 9 Dec 2020

CVE-2020-29660  (opens in a new tab)
CWE-416  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-uek-devel to version 0:5.4.17-2036.103.3.el8uek or higher.
This issue was patched in ELSA-2021-9037.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-devel package and not the kernel-uek-devel package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24.

CVSS Scores

version 3.1